I1544 backend dependencies (#1554) #22

	name: Docker image CI

	on:
	push:
	# takes muliple branch names
	branches:
	- master
	- '[0-9][0-9][0-9][0-9].[0-9][0-9].*' # 2021.01.01

	env:
	IMAGE_TAG: latest
	REPO_URL: ${{ github.repository }}

	jobs:
	build:
	# to test a feature, change the repo name to your github id
	if: github.repository_owner == 'tl-its-umich-edu'
	runs-on: ubuntu-latest
	steps:

	- name: Checkout code
	uses: actions/checkout@v3

	- name: Extract branch name
	id: extract_branch
	run: echo "BRANCH_NAME=$(basename ${{ github.ref }})" >> $GITHUB_ENV

	- name: build Docker image
	run: \|
	docker build . --tag ghcr.io/${{ env.REPO_URL }}:${{ env.IMAGE_TAG }}-${BRANCH_NAME}

	- name: Login to GitHub Container Registry
	uses: docker/login-action@v2
	with:
	registry: ghcr.io
	username: ${{ github.actor }}
	password: ${{ secrets.GITHUB_TOKEN }}

	- name: Push Docker image to GitHub Container Registry
	run: \|
	docker push ghcr.io/${{ env.REPO_URL }}:${{ env.IMAGE_TAG }}-${BRANCH_NAME}

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